package com.drojian.demo3.dataStorage.SQLite;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.widget.Toast;

import androidx.annotation.Nullable;

public class MyDatabaseHelper extends SQLiteOpenHelper {
    private static  final  String CREATE_BOOK = "create table book (id integer primary key autoincrement,author text,price real,pager integer,name text)";
    private static  final  String INFORMATION = "create table user (id integer primary key autoincrement,name text,age integer)";
    private Context mContext;
    public MyDatabaseHelper(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
        super(context, name, factory, version);
        this.mContext = context;
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        // db.execSQL(CREATE_BOOK);
        db.execSQL(INFORMATION);
        Toast.makeText(mContext,"创建成功",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}
